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South African Journal of Chemistry

versão On-line ISSN 1996-840X
versão impressa ISSN 0379-4350

Resumo

IPEAIYEDA, Ayodele Rotimi  e  FALUSI, Bamidele Ayodele. Monitoring of So2, Nox and Nh3 emission from burning of solid wastes at Awotan and Lapite dumpsites, Ibadan, Nigeria. S.Afr.j.chem. (Online) [online]. 2018, vol.71, pp.166-173. ISSN 1996-840X.  http://dx.doi.org/10.17159/0379-4350/2018/v71a22.

Emission of gaseous pollutants from open dumpsites has been identified as a major source of air pollution in urban cities such as Ibadan, Nigeria. Air quality assessments at Awotan and Lapite dumpsites where burning of solid wastes occurs without adequate control were presented in this study. The open burning of solid wastes pose environmental challenges associated with the emission of SO2,NOx and NH3 whose adverse impact on humans in the vicinity of dumpsites is inevitable. The concentrations obtained for SO2,NOx and NH3 were in the range of 260-379 ug m-3; 354-470 ug m-3 and 590-907ug m-3, respectively, at Awotan dumpsite. The corresponding concentrations at Lapite dumpsite were 342-428 jug m-3; 521-741 jug m-3 and 1085-1374 jug m-3, respectively. Levels of SO2 and NOx exceeded the European Union and Nigeria national standard air quality limits. There is a need to develop better operating practices in terms of period and method of combustion of solid wastes at designated dumpsites in Ibadan.

Palavras-chave : Solid wastes; sulphur dioxide; oxide of nitrogen; ammonia; open dumpsites.

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